4404423121 has 16 divisors (see below), whose sum is σ = 5333247360. Its totient is φ = 3550798080.

The previous prime is 4404423113. The next prime is 4404423143. The reversal of 4404423121 is 1213244044.

It is a cyclic number.

It is not a de Polignac number, because 4404423121 - 2³ = 4404423113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4404423161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181231 + ... + 204091.

It is an arithmetic number, because the mean of its divisors is an integer number (333327960).

Almost surely, 2^4404423121 is an apocalyptic number.

It is an amenable number.

4404423121 is a deficient number, since it is larger than the sum of its proper divisors (928824239).

4404423121 is a wasteful number, since it uses less digits than its factorization.

4404423121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24504.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 4404423121 is about 66365.8279613839. The cubic root of 4404423121 is about 1639.1914417258.

Adding to 4404423121 its reverse (1213244044), we get a palindrome (5617667165).

The spelling of 4404423121 in words is "four billion, four hundred four million, four hundred twenty-three thousand, one hundred twenty-one".